采样精度

本文设计了基于闭环霍尔传感器和外扩双积分ADC的电流采集电路，保证了电流采样精度。

This paper designed a current collecting circuit , which based on the design of closed-loop controlling hall-effect sensor and extended dual-slope-integrating ADC . This ensures the current sampling precision .

电流和电压检测采用LEM公司的霍尔传感器，提高了系统采样精度。

The sensors of LEM Corporation are applied to the current and voltage detection , which increase the system sampling precision .

然后采用B样条节点插入算法对初始曲面进行递归分割，生成基于给定采样精度的自适应采样路径。

Then , adaptive sampling path was generated with given precision by recursive dividing initial surface using B-spline knots inserting algorithm .

数字音频信号的典型采样精度是16位，采样频率为声音实际带宽的两倍（例如对于CD音质的声音采样频率44.1kHz）。

Digital audio signals typically consist of 16 bit samples recorded at a sampling rate more than twice the actual audio bandwidth ( e.g. 44.1 kHz for Compact Disks ) .

系统数据采集频率高，采样精度可达到5‰以内，实现了对多路PFN电流的实时检测及对PFN运行状况的快速监测。

The system has a very high data aquisition frequency and accuracy . It realizes real-time detecting of multi-channel currents and high speed monitoring of PFN operating state .

控制器的输入系统采用外置16位A/D芯片，相比DSP内部A/D模块和本课题组以往的A/D采集系统，提高了4位采样精度。

The 16-bit exterior A / D chip is applied in the input system of this controller . Compared with the inner A / D module of the DSP and the former A / D collecting system of the laboratory , the precision of the sampling is improved 4 bits .

电量计量中电流采样精度的研究

Research on the current sampling precision in the electric quantity gauge

四是提高系统的采样精度。

The fourth is to improve the sampling accuracy of the system .

光纤比色智能温度计采样精度的提高措施

Measure on Improving Sampling Precision of the Optic Fiber Intelligent Colorimetric Thermometer

一种提高交流采样精度的新算法

A New Algorithm for Improving Alternating Current Sampling Precision

计算机测控系统中提高传感器采样精度的方法

Method of Improving the Sampling Accuracy of Sensor in the Computer Measure and Control System

此方法具有硬件电路简单，倍频采样精度高，跟踪速度快等优点。

The circuit is compact and has high precision and following speed by this method .

测试系统采样精度校正研究

Study the precision of sampling system

提高旋转机械振动信号整周期采样精度的一种方法

A method to enhance the precision of vibration signals ' complete period sampling in rotating machinery

采样精度可以达到2.3μm，拟合精度小于7.2μm。

The sampling precision and the fitting precision reach 2.3 μ m and 7.2 μ m respectively .

测试结果表明，该算法使计算工作量得到简化，采样精度提高。

The measurement test shows that this algorithm simplifies the computation labor and improves the sampling accuracy .

该系统分为基站控制中心和浮标系统采集前端两部分，其中前端具有采样精度高，测量动态范围广，原始数据实时传输，遥控关机，无线唤醒、休眠状态最多节电95%等功能；

The system is divided into the Base Station control center and Buoy Front acquisition system two parts .

仿真结果表明，本数据采集系统具有良好的稳定性、较高的采样精度、良好的实时性。

The simulation results show that the data acquisition system has a good stability , high accuracy , good real-time sampling .

这种结构能够突破芯片级限制，在兼顾采样精度的同时，大幅度提高系统采样率。

This structure can overcome the chip-level constraints , while taking into account the sampling precision , greatly improve the system sampling rate .

该方案实现简单灵活，提高了采样精度，使电动机的继电保护性能得到大大增强。

The scheme is simple and flexible , so the precision of sampling is improved and the relay property of motor is enhanced greatly .

在分析产生低分辨率原因的基础上，提出移物法，该方法通过多次移动物体来提高测量的采样精度。

Based on the analysis for reason of low resolution , a moving-object method is proposed . The method improves sampling accuracy through moving object for N times .

其中，根据激光测量方式和三维点群分布的特点，提出一种在给定采样精度基于曲率的曲面自适应采样的方法；

In terms of the working mode of laser-machine-vision measuring system and the distribution of 3D data , adaptive sampling method of scattered data based on curvature and pre-determined precision is presented .

我们对电池管理系统进行了测试，试验数据表明，其采样精度高，工作安全可靠，达到了预期设计目标。

We tested the battery management system . The experimental data show that , the accuracy of sampling is high and the process is safe and reliable , which achieve the desired goal .

实验结果表明，该数据采集系统采样精度达到14bit，采样率为140kHz/s，并实现了CF卡存储和3种不同通信方式。

The experimental results show there are 14 bit collection precision and ( 140 kHz / s ) sampling rate in this system . In addition CF storage and three communications ways are attained .

在高精度传感器应用领域中，不但要求数据采集系统以高采样精度来达到纳米级的测量精度，同时还要有较高的采样率以增大输入带宽。

In the field of precision sensors , data acquisition systems are required not only a high sampling precision to achieve nanometer measurement accuracy , but also a higher sampling rate to increase the input bandwidth .

Matlab/simulink的仿真验证了相关拓扑结构及控制策略的有效性。最后讨论有源电力滤波器数字控制系统中采样精度的问题。

Simulation result in Matlab / simulink shows the feasibility of the related topology and control strategy . Finally , the high accuracy sample method in the digital control system of the active power filter devices is studied .

为了能够较快地生成各种视景，一般采用多边形网格法生成场景描述，但由于采样精度高，山此建立起的三维模型的复杂程度远远超过了当前计算机实时的图形处理能力。

For establishing various view-scene fleetly , we commonly adopt the polygon mesh method to establish scene descriptions , but the complexity of the 3-D model which is established by polygon mesh method exceed the processing ability of modern computer .

现场应用表明，高压天然气管道粉尘检测装置具有性能稳定、采样精度高和操作方便等特点，可以应用于现场高压天然气管道的粉尘检测以及旋风分离器和过滤器的性能评价。

The field application shows that the new device features stable performance , high sampling precision and convenient operation and can be used for dust detection of high pressure natural gas pipeline and the performance evaluation of cyclone separator and filter .

通过对研制开发的母线保护装置的测试表明，研制的母线保护装置硬件平台系统结构合理，扩展能力强，配置灵活，采样精度高。

The test to the new device proves that the new developed hardware platform of bus-bar protection device has the higher precision , more reliable performance , advanced technique , prominent macrocosm capability , logical system structure , better expandability and flexible configuration .

系统测试结果表明，该嵌入式数据采集系统具有软件的可移植性和稳定性，采样精度高、滤波算法的快速性和数据通信传输的可靠性好，具有较高的应用价值。

The system test results show that the embedded data acquisition system has software transplantability and stability , high accuracy of sampling , and good filtering algorithm rapidness and data communication transmission reliability . So the system has a high value of application .